Main Features:● Roman R6100 car Bluetooth V4.1 HD stereo wireless headset earphone ● With special magnetic charging Dock● Provide HD crystal clear sound, high - fidelity stereo music and clear speech, enjoy CD quality stereo sound instantly● Comfortable wearing: It is ergonomically designed to make sure comfortable wearing● Easy your call : Simple pairing, it will automatically pairs with the closest Bluetooth - enabled device. Pick up to automatically connect and answer a call. Put in dock to trigger sleep mode● High convenience: it can receive phone call at any moment. Receive or cancel incoming call at the click of a button on the headphone. It will show battery meter onscreen with IOS system● High capacity: Super long 720 hours standby time, up to 4 hours of talk / playing time● Connect two devices at the same time by integrated multi-point technology